Source
--- dddmp/Makefile.orig 2012-02-04 21:53:21.000000000 -0600
+++ dddmp/Makefile 2014-10-01 20:33:16.000000000 -0500
# Settings for optimized code with gcc
#ICFLAGS = -g -Wall
#ICFLAGS = -g -O3 -Wall
-ICFLAGS = -g -O6 -Wall
+ICFLAGS = -g -O3 -Wall
#--------------------------------#
# Define Machine Dependent Flags #